120 lines
4.3 KiB
Python
120 lines
4.3 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# SAT plugin for Stanza Forwarding (XEP-0297)
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# Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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# Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sat.core.constants import Const as C
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from sat.core.i18n import _, D_
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from sat.core.log import getLogger
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log = getLogger(__name__)
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from wokkel import disco, iwokkel
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try:
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from twisted.words.protocols.xmlstream import XMPPHandler
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except ImportError:
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from wokkel.subprotocols import XMPPHandler
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from zope.interface import implements
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from twisted.words.xish import domish
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NS_SF = C.NS_FORWARD
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PLUGIN_INFO = {
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C.PI_NAME: u"Stanza Forwarding",
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C.PI_IMPORT_NAME: u"XEP-0297",
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C.PI_TYPE: u"XEP",
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C.PI_PROTOCOLS: [u"XEP-0297"],
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C.PI_MAIN: "XEP_0297",
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C.PI_HANDLER: u"yes",
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C.PI_DESCRIPTION: D_(u"""Implementation of Stanza Forwarding""")
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}
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class XEP_0297(object):
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# FIXME: check this implementation which doesn't seems to be used
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def __init__(self, host):
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log.info(_("Stanza Forwarding plugin initialization"))
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self.host = host
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def getHandler(self, client):
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return XEP_0297_handler(self, client.profile)
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@classmethod
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def updateUri(cls, element, uri):
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"""Update recursively the element URI.
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@param element (domish.Element): element to update
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@param uri (unicode): new URI
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"""
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# XXX: we need this because changing the URI of an existing element
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# containing children doesn't update the children's blank URI.
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element.uri = uri
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element.defaultUri = uri
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for child in element.children:
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if isinstance(child, domish.Element) and not child.uri:
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XEP_0297.updateUri(child, uri)
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def forward(self, stanza, to_jid, stamp, body='', profile_key=C.PROF_KEY_NONE):
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"""Forward a message to the given JID.
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@param stanza (domish.Element): original stanza to be forwarded.
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@param to_jid (JID): recipient JID.
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@param stamp (datetime): offset-aware timestamp of the original reception.
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@param body (unicode): optional description.
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@param profile_key (unicode): %(doc_profile_key)s
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@return: a Deferred when the message has been sent
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"""
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# FIXME: this method is not used and doesn't use mess_data which should be used for client.sendMessageData
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# should it be deprecated? A method constructing the element without sending it seems more natural
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log.warning(u"THIS METHOD IS DEPRECATED") # FIXME: we use this warning until we check the method
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msg = domish.Element((None, 'message'))
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msg['to'] = to_jid.full()
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msg['type'] = stanza['type']
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body_elt = domish.Element((None, 'body'))
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if body:
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body_elt.addContent(body)
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forwarded_elt = domish.Element((NS_SF, 'forwarded'))
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delay_elt = self.host.plugins['XEP-0203'].delay(stamp)
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forwarded_elt.addChild(delay_elt)
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if not stanza.uri: # None or ''
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XEP_0297.updateUri(stanza, 'jabber:client')
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forwarded_elt.addChild(stanza)
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msg.addChild(body_elt)
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msg.addChild(forwarded_elt)
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client = self.host.getClient(profile_key)
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return client.sendMessageData({u'xml': msg})
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class XEP_0297_handler(XMPPHandler):
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implements(iwokkel.IDisco)
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def __init__(self, plugin_parent, profile):
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self.plugin_parent = plugin_parent
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self.host = plugin_parent.host
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self.profile = profile
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def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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return [disco.DiscoFeature(NS_SF)]
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def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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return []
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